Seiko Cal. 5664 - 678

This Spring Drive model from 1980 features a 37mm Gold-Plated case. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-d88cf0bca999]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1980

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